717327485280 has 672 divisors, whose sum is σ = 2912477891904. Its totient is φ = 163473666048.

The previous prime is 717327485233. The next prime is 717327485291. The reversal of 717327485280 is 82584723717.

717327485280 is a `hidden beast` number, since 7 + 1 + 73 + 2 + 7 + 48 + 528 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a super-2 number, since 2×717327485280² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 324141454 + ... + 324143666.

It is an arithmetic number, because the mean of its divisors is an integer number (4334044482).

Almost surely, 2^717327485280 is an apocalyptic number.

717327485280 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 717327485280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1456238945952).

717327485280 is an abundant number, since it is smaller than the sum of its proper divisors (2195150406624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

717327485280 is a wasteful number, since it uses less digits than its factorization.

717327485280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650 (or 2627 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 54.

The spelling of 717327485280 in words is "seven hundred seventeen billion, three hundred twenty-seven million, four hundred eighty-five thousand, two hundred eighty".